Home / 33,168-45,802.26-21,072.40

Finding the Fourth Proportional to 33,168, 45,802.26 and 21,072.40

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Solution

The fourth proportional to 33,168, 45,802.26 and 21,072.40 is: 29,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168 : 45,802.26 = 21,072.40 : x
  2. Step 2: Convert to fraction form
    33,168/45,802.26 = 21,072.40/x
  3. Step 3: Cross multiply
    33,168x = 45,802.26 × 21,072.40
  4. Step 4: Simplify right side
    33,168x = 965,163,543.62
  5. Step 5: Solve for x
    x = 965,163,543.62/33,168
  6. Step 6: Final answer
    x = 29,099.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.